Skip to content
Disclosery

BLAIR WILLIAM & CO/IL: AER position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BLAIR WILLIAM & CO/IL on AER, newest first. How the timeline and the estimate are built.

BLAIR WILLIAM & CO/IL held 6,159 AER shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 6,159 shares
    Change vs previous 13F -186 shares

    <0.01% of the 13F portfolio, value $897,863.

    13F-HR 0001104659-26-093821 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 6,345 shares
    Change vs previous 13F -995 shares

    <0.01% of the 13F portfolio, value $870,352.

    13F-HR 0001104659-26-057897 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 7,340 shares
    Change vs previous 13F +803 shares

    <0.01% of the 13F portfolio, value $1,055,206.

    13F-HR 0001104659-26-015563 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 6,537 shares
    Change vs previous 13F +203 shares

    <0.01% of the 13F portfolio, value $790,994.

    13F-HR 0001104659-25-109927 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 6,334 shares
    Change vs previous 13F +45 shares

    <0.01% of the 13F portfolio, value $741,060.

    13F-HR 0001104659-25-070274 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 6,289 shares
    Change vs previous 13F +1,500 shares

    <0.01% of the 13F portfolio, value $642,547.

    13F-HR 0001104659-25-046545 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-12-31
    13F 4,789 shares
    Change vs previous 13F -207 shares

    <0.01% of the 13F portfolio, value $458,307.

    13F-HR 0001104659-25-011872 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2024-09-30
    13F 4,996 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $473,221.

    13F-HR 0001104659-24-116499 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).